Path Traversal in Apache Livy
CVE-2025-66249
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Apache Livy. This issue affects Apache Livy: from 0.3.0 before 0.9.0. The vulnerability can only be exploited with non-default Apache Livy Server settings. If the configuration value "livy.file.local-dir-whitelist" is set to a non-default value, the directory checking can be bypassed. Users are recommended to upgrade to version 0.9.0, which fixes the issue.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.006 (45.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Apache Livy
- Apache Software Foundation Livy — versions 0.3.0-incubating
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@apache.org (vendor-advisory, Mailing List, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-66249?
- CVE-2025-66249 is a medium-severity vulnerability in Apache Livy, classified under Path Traversal. CVSS score: 6.3/10. Published 2026-03-13.
- How severe is CVE-2025-66249?
- Medium severity. CVSS v3 base score is 6.3 out of 10.
- Is CVE-2025-66249 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.